Remove reference cycle when writing tarfiles · Issue #115256 · python/cpython (original) (raw)
Feature or enhancement
Proposal:
The following code keeps a file handle for eternity and even gc.collect does not help.
import tarfile tarfile.TarFile("archive.tar.gz","w").add("somefile.py")
The culprit is a line that itself says that it is not needed. Indeed, it is never used anywhere. https://github.com/python/cpython/blob/main/Lib/tarfile.py#L2033
Now the example might be a rather bad style, but even a typical use case where a TarFile variable is defined and closed afterwards will also keep some stuff in memory until gc.collect happens due to this line. Removing the line also adds a ResourceWarning to the bad style example which currently does not appear.
Has this already been discussed elsewhere?
This is a minor feature, which does not need previous discussion elsewhere
Links to previous discussion of this feature:
No response